On Sat, May 26, 2007 at 03:40:40PM -0700, Steve Kargl wrote: > On Sat, May 26, 2007 at 11:48:35PM +0200, Ed Schouten wrote: > > Hello Steve, > > > > * Steve Kargl <sgk_at_troutmask.apl.washington.edu> wrote: > > > mobile:kargl[234] cat a.c > > > #include <stdio.h> > > > #include <math.h> > > > > > > int main (void) { > > > int n; > > > float a; > > > a = 1.f; > > > printf("%f\n", frexpf(a,&n)); > > > return 0; > > > } > > > mobile:kargl[235] cc -o z a.c -lm > > > mobile:kargl[236] ./z > > > 1.000000 > > > mobile:kargl[237] cc --version > > > cc (GCC) 4.2.0 20070514 [FreeBSD] > > > Copyright (C) 2007 Free Software Foundation, Inc. > > > This is free software; see the source for copying conditions. There is NO > > > warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. > > > > > > frexpf() should return a value in [1/2,1). > > > > In a different thread (about snd_emu10k1) a user noticed that -ftree-vrp > > (part of -O2) may cause miscompilations. Could you try installing a libm > > (src/lib/msun) that is compiled with -O1? > > > > (cc'd -current list) > > Using -O instead of -O2 indeed appears to fix the problem. How about -O2 -fno-tree-vrp? KrisReceived on Sat May 26 2007 - 20:57:32 UTC
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